:root{--bg: #0f0f12;--surface: #18181c;--border: #2a2a30;--text: #e4e4e7;--muted: #71717a;--accent: #a78bfa;--accent-dim: #7c5dd4;--success: #34d399;--error: #f87171;--radius: 12px;--font-sans: "DM Sans", system-ui, sans-serif;--font-mono: "JetBrains Mono", monospace}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:var(--bg);color:var(--text);font-family:var(--font-sans);font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased}#root{min-height:100vh}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}button{font-family:inherit;cursor:pointer;border:none;border-radius:var(--radius);font-weight:500}button:disabled{opacity:.5;cursor:not-allowed}input,textarea,select{font-family:inherit;font-size:1rem}input::placeholder,textarea::placeholder{color:var(--muted)}